Yealink SIP-T21P E2 Enterprise Entry-level IP Phone

Yealink’s new SIP-T21P takes entry-level IP phones to
a level never achieved before. Making full-use of high-quality materials, plus
an extra-large 132 x 64-pixel graphical LCD showing a clear 5-line data
display, it offers a smoother user experience, much more visual information at
a glance, plus HD Voice characteristics. Dual 10/100 Mbps network ports with
integrated PoE are ideal for extended network use. The T21P supports two VoIP
account, simple, flexible and secure installation options, plus support for
IPv6, Open VPN and a redundancy server. It also operates with SRTP/ HTTPS/ TLS,
802.1x. As a very cost-effective and powerful IP solution, the T21P maximizing
productivity in both small and large office environments.

Features

HD
Voice: HD Codec, HD speaker, HD handset

132 x
64-pixel graphical LCD

2
VoIP accounts

Two-port
10/100 Ethernet Switch, integrated PoE

Headset,
wall-mountable

XML/LDAP
remote phonebook

Yealink
SIP-T21P Specifications

Audio
Features

Full-duplex
hands-free speakerphone with AEC

Codecs:
G.711(A/μ), G.723, G.729AB, G.726

DTMF:
In-band, out-of-band(RFC 2833) and SIP INFO

VAD,
CNG, AEC, PLC, AJB, AGC

Directory

Local
phonebook up to 1000 entries

Black
list

XML
remote phonebook

Intelligent
search method

Phonebook
search/import/export

Call
history: dialed/received/missed/forwarded

Phone
Features

2
VoIP accounts

Call
hold, mute, DND

One-touch
speed dial, hotline

Redial,
call return, auto answer

Call
forward, call waiting, call transfer

Group
listening, SMS

Local
3-way conferencing

Direct
IP call without SIP proxy

Ring
tone selection/import/delete

Keypad
lock, emergency call

Set
date time manually or automatically

Dial
Plan, XML Browser, action URL&action URI

IP-PBX
Features

Anonymous
call, anonymous call rejection

Message
waiting indicator (MWI)

Voice
mail, call park, call pickup

Intercom,
paging, music on hold

Call
completion, hot-desking

Display

132x64-pixel
graphical LCD

LED
for call and message waiting indication

Intuitive
user interface with icons and softkeys

National
language selection

Caller
ID with name, number

Network
and Security

SIP
v1 (RFC2543), v2 (RFC3261)

IPv6,
open VPN

NAT
transverse: STUN mode

Proxy
mode and peer-to-peer SIP link mode

IP
assignment: static/DHCP/PPPoE

HTTP/HTTPS
web server

Time
and date synchronization using SNTP

UDP/TCP/DNS-SRV(RFC
3263)

QoS:
802.1p/Q tagging (VLAN), Layer 3 ToS, DSCP

Physical
Features

2xRJ45
10/100M Ethernet ports

31
keys including 4 soft keys

4
LEDs: 1xpower, 2xline, 1xmessage

1xRJ9
handset port

1xRJ9
headset port

Wall
mountable

Power
adapter: AC 100~240V input and DC 5V/600mA Output

Power
over Ethernet (IEEE 802.3af)